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NASA Just Found Perfect Spheres on Mars – And No One Knows Exactly Why

While Americans enjoyed fireworks on July 4th, NASA’s Perseverance rover was investigating tiny, perfectly round spherules on Mars that might hold secrets to the planet’s fiery past. Unlike the hematite “blueberries” discovered years ago, these new spherules have a volcanic or impact origin, possibly formed during dramatic meteoroid strikes or ancient eruptions. Their unique composition […]
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